/*
Rule 14.7 (r)
A function shall have a single point of exit at the end of the function.
*/


#include <stdio.h>

typedef int int32_t;

int32_t b;

int32_t f(void);
int32_t f(void)
{
  int32_t a=1;
  
  scanf("%d",&b);
  if(a==b){
    return(1);
  }
  else
  {
    return(0);
  }
}

int32_t main(void)
{

  int32_t i=0;
  
  i=f();
  return 0;
}
